package com.shopping.servlet;

import java.io.IOException;
import java.util.List;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.fasterxml.jackson.databind.ObjectMapper;
import com.shopping.bean.OrderType;
import com.shopping.service.OrderGoodsService;
import com.shopping.service.impl.OrderGoodsServiceImpl;

@WebServlet("/FindOrder.do")
public class FindOrder extends HttpServlet{

	@Override
	protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
		doPost(req,resp);
	}

	@Override
	protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
		
		int userId = Integer.parseInt((String) req.getAttribute("userId"));
		OrderGoodsService ogs = new OrderGoodsServiceImpl();
		List<OrderType> list = ogs.selectAllOrderByUserId(userId);
		ObjectMapper om = new ObjectMapper();
		resp.setCharacterEncoding("UTF-8"); //设置 后端给前端传回的编码格式为utf-8
		resp.setContentType("application/json");// 后端告知前端 返回的数据 是 json格式(不是html /css)
		resp.getWriter().print(om.writeValueAsString(list));//传输的数据
	}

	
}
